NETWORK LAYER
UNICAST ROUTING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If a router has four interfaces and each interface is connected to four switches, how many broadcast domains are present on the router?
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1
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2
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4
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8
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Explanation:
Detailed explanation-1: -Explanation: Remember that only route interface can separate broadcast domain (while switch interface separate collision domain) so the broadcast domains are equal to the number of router interfaces, which is four in this case.
Detailed explanation-2: -Each router port is one broadcast domain.
Detailed explanation-3: -In the picture above we have three broadcast domains, since all ports on a hub or a switch are in the same broadcast domain, and all ports on a router are in a different broadcast domain.
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